Event UNK64X4013

1964-09-16 ELK RIVER, Idaho, United States Serious 1 aircraft Status: Completed

Aircraft involved

N8417E Bell 47G3 Serious

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

BELL 47G3 · N8417E

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Personal/private

Kind of flying

CI

Weather at impact

Sky

CLEAR

Aircraft history

Total time

1,663 hrs

Pilot

Certificate

Commercial

Total hours

13,858

Age

40

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
68/C/D4 C
PERSONNEL INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL) Cause
64/C/01 C
PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
74/C/CH C
POWERPLANT PUMPS Cause
88/C/46 C
MISCELLANEOUS ACTS,CONDITIONS WRONG PART Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 2 0819. Source file NTSB_1964_2_0819.txt. Modern CAROL record on data.ntsb.gov ↗.

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